[Geomoose-users] Google layers, Web Mercator and Coordinates shift

Brent Fraser bfraser at geoanalytic.com
Fri Feb 19 11:45:42 EST 2010


A correction from my previous email.

The [new] offical EPSG code is 3857 (they retired their first attempt of 3785).

http://viswaug.wordpress.com/2009/04/01/gis-standards-gone-crazy-epsg-especially/

Brent

FRANZ OKYERE wrote:
> Hi all,
> 
> I have mangaged to display the google layers under my other layers fine 
> but it seems there is a shift. I guess, naturally, the coordinates used 
> as for the extents and the map layers have to conform to the 'google's 
> projection'. The little reading I have done, and googling around, tells 
> me that google's projection is not standard- i.e. EPSG just decided to 
> add it on their list.
> 
> Does anyone have a work around- say, a way to do the reprojection? What 
> software would you go for and what are the issues? Thanks.
> 
> /Franz Okyere/
> GIS Specialist
> 
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